Security Concepts
Certain concepts recur throughout different fields of security:
- Assurance - assurance is the level of guarantee that a security system will behave as expected
- Countermeasure - a countermeasure is a way to stop a threat from triggering a risk event
- Defense in depth - never rely on one single security measure alone
- Exploit - a vulnerability that has been triggered by a threat - a risk of 1.0 (100%)
- Risk - a risk is a possible event which could cause a loss
- Threat - a threat is a method of triggering a risk event that is dangerous
- Vulnerability - a weakness in a target that can potentially be exploited by a security threat
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Famous quotes containing the words security and/or concepts:
“The three great ends which a statesman ought to propose to himself in the government of a nation, are,—1. Security to possessors; 2. Facility to acquirers; and, 3. Hope to all.”
—Samuel Taylor Coleridge (1772–1834)
“It is impossible to dissociate language from science or science from language, because every natural science always involves three things: the sequence of phenomena on which the science is based; the abstract concepts which call these phenomena to mind; and the words in which the concepts are expressed. To call forth a concept, a word is needed; to portray a phenomenon, a concept is needed. All three mirror one and the same reality.”
—Antoine Lavoisier (1743–1794)